Treads
Description
Sprocket Idler: thingiverse.com/thing:35909
Smaller Idler: thingiverse.com/thing:35950
These are being used on my RC Nerf Tank:
thingiverse.com/thing:36305
These were printed on Tiny, my overly large 3d printer. Details and updates on my printer can be found on ottersoft.ca/blog
Instructions
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You could add some traction for smooth surfaces by dipping the bottom of each segment in plastidip (used for adding rubber grips to tool handles).
if you don't have wire and can go to a 3mm hole, why not use plastic rivets instead of wire? http://www.thingiverse.com/thi...
Impressive build! What is the print space on that monster? What are you clocking it at? I am thoroughly impressed...
Oh, forgot to mention build area. It's print area is 700mm x 350mm x 350mm though I'm hoping to increase that a little with some adjusted tool mounts. Right now the y-axis is limited by the crossing cables otherwise it'd be 400mm or so.
Normal prints like this I run at 60mm/s shell and 120mm/s infill.
I did a test print the other night at 150mm/s and 300mm/s infill. The results are up on my blog and are very good.
License

I made some. Nice. Full size is way too big for what I'm building. 75% is still too big but...50% is tiny. Some where between is bound to be in a happy place. Fun to listen to as it printed too.